Physics

Problem

A toy car travels round a circular track of radius

14\,\text{m}

, completing one revolution every

4\,\text{s}

. At what constant speed would the horizontal portion of its speed–time graph be drawn? a)

44\,\text{m/s}

88\,\text{m/s}

22\,\text{m/s}

11\,\text{m/s}